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Telecontrol equipment and systems, Part 4: Performance requirements
远动设备和系统第4部分:性能要求

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Устройства и системы телемеханики. Часть 4. Технические требования
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海上导航和无线电通信设备与系统 - 全球导航卫星系统（gnss） - 第4部分:船载Dgps和Dglonass海事无线电信标接收设备 - 性能要求 测试方法和所需测试结果

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Maritime navigation and radiocommunication equipment and systems - Global navigation satellite systems (GNSS) - Part 4: Shipborne DGPS and DGLONASS maritime radio beacon receiver equipment - Performance requirements, methods of testing and required test results (IEC 61108-4:2004); German version EN 61108-4:2004, text English
海上导航和无线电通信设备及系统.全球导航卫星系统（GNSS）.第4部分:船载DGPS和DGLONASS海上无线电信标接收设备.性能要求 试验方法和要求的试验结果（IEC 61108-4-2004）；德语版

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Global maritime distress and safety system (GMDSS) - Part 4: Inmarsat-C ship earth station and Inmarsat enhanced group call (EGC) equipment - Operational and performance requirements, methods of testing and required test results
全球海上遇险和安全系统（GMDSS）.第4部分:国际海事卫星-C船用地球站和国际海事卫星增强型群呼（EGC）设备.操作和性能要求、试验方法和要求的试验结果

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Global maritime distress and safety system (GMDSS) - Part 4: Inmarsat-C ship earth station and Inmarsat enhanced group call (EGC) equipment - Operational and performance requirements, methods of testing and required test results
全球海上遇险和安全系统（GMDSS）.第4部分:国际海事卫星-C船用地球站和国际海事卫星增强型群呼（EGC）设备.操作和性能要求、试验方法和要求的试验结果

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